1) skin contact: immediately remove the contaminated clothes and rinse with a large amount of flowing water. Go to a doctor.

2) eye contact: immediately lift the eyelids and rinse thoroughly for at least 15 minutes with a large amount of flowing water or saline. Go to a doctor.

3) inhalation: quickly out of the scene to the fresh air. Keep the respiratory tract unobstructed. If breathing is difficult, give oxygen. If breathing is stopped, artificial respiration is carried out immediately. Go to a doctor.

1) risk characteristics: strong oxidizing agent. It is easy to burn with inflammable and organic matter. The nitrogen containing compounds, such as ammonia, ammonium salt, urea, and three nitrogen chloride, which are easy to explode. High thermal decomposition produces toxic corrosive smoke.

3) fire extinguishing methods: Firefighters must wear whole body fireproof and antitoxic clothing and put out the fire in the upper wind. As far as possible, the container will be removed from the fire field to the open area as far as possible. Then choose appropriate fire extinguishing agent to extinguish fire according to the cause of fire.

[leakage emergency treatment]

1) emergency treatment: isolation and leakage of contaminated areas, limiting access. It is suggested that the emergency handling personnel wear dust mask and wear general working clothes. Do not contact the leakage directly.